cxa1645p Sony Electronics, cxa1645p Datasheet - Page 2

• Manufacturer Part Number: cxa1645p
• Description: Rgb Encoder
• Manufacturer: Sony Electronics

Pin Description
No.
Pin
1
2
3
4
5
6
7
8
GND1
RIN
GIN
BIN
NC
SCIN
NPIN
BFOUT
Symbol Pin voltage
Black level
clamped
H : 3.6V
L : 3.2V
when
2.0V
1.7V
0V
—
6
7
3
2
4
8
Equivalent circuit
129
129
3k
20P
80k
20k
20k
2.5V
I
CLP
25µ
68k
32k
25µ
– 2 –
100µ
V
V
GND1
V
GND1
V
GND1
GND1
CC
CC
CC
CC
1
1
1
1
Ground for all circuits other than RGB,
composite video and Y/C output circuits.
The leads to GND2 should be as short and
wide as possible.
Analog RGB signal inputs. Input
100%, = 1Vp-p (max.). To minimize clamp
error, input at as low impedance as
possible.
I
NO CONNECTION
Subcarrier input.
Input 0.4 to 0.5Vp-p sine wave or pulse.
Refer to Notes on Operation, Nos. 3 and 5.
Pin for switching between NTSC and PAL
modes
BF pulse monitoring output. Incapable of
driving a 75 load.
CLP
NTSC: V
turns ON only in the burst flag period.
CC
, PAL: GND
Description
Externally applied voltage
CXA1645P/M